Cover of an electronic device with surface pattern



FIG. 1 is a perspective view of a cover of an electronic device withsurface pattern showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof; and,

FIG. 4 is an enlarged view thereof, of circled portion 4 in FIG. 2.

In FIGS. 1-3, the evenly segmented broken lines indicate portions of thecover of an electronic device with surface pattern that form no part ofthe claimed design. In FIGS. 2 and 4, the alternating long-dashshort-dash type broken lines represent the boundary of the portion ofthe electronic device with surface pattern that is shown on an enlargedscale in FIG. 4.

The ornamental design for a cover of an electronic device with surfacepattern, as shown and described.